// Pipeline Component Library Example
// ----------------------------------
// Colin Bowern (colinbowern@hotmail.com)
// January 2007
//
// Copyright (c) 2007 Colin Bowern
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// * The above copyright notice and this permission notice shall be included in
//   all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
// WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
// CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

#region References
using System;
using System.Collections.Generic;
using System.Text;
#endregion

namespace RockstarGuys.PipelineComponents
{
    /// <summary>
    /// Identifies the pipeline categories/stages to which the class can execute inside of.
    /// </summary>
    [System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Design", "CA1019:DefineAccessorsForAttributeArguments")]
    [CLSCompliant(false), AttributeUsage(AttributeTargets.Class, AllowMultiple=true, Inherited=true)]
    public sealed class PipelineCategoryAttribute : System.Attribute
    {
        #region Fields
        private List<Guid> categories = new List<Guid>();
        #endregion

        #region Properties
        /// <summary>
        /// Gets the categories.
        /// </summary>
        /// <value>The categories.</value>
        [System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Design", "CA1002:DoNotExposeGenericLists")]
        public List<Guid> Categories
        {
            get { return this.categories; }
        }
        #endregion

        #region Constructor
        /// <summary>
        /// Initializes a new instance of the <see cref="PipelineCategoryAttribute"/> class.
        /// </summary>
        /// <param name="categories">The categories.</param>
        public PipelineCategoryAttribute(params string[] categories)
        {
            Helper.CheckForNullReference(categories, "categories");

            foreach (string category in categories)
            {
                this.categories.Add(new Guid(category));
            }
        }
        #endregion
    }
}
